Certification standards are meaningless without rigorous enforcement.

文学是语言的艺术，而语言是思想的载体。

The best solutions often come from those who work closest with the animals.

过去从未死去，它甚至还没有过去。

现代社会用消费主义取代了宗教，但空虚依然存在。

每一次突破都始于一个问题。